Knoxville Weather Forecast

    • 55
    • 68

    Mostly Cloudy

    • 58
    • 70

    Mostly Cloudy

    • 55
    • 69

    Mostly Cloudy

    • 55
    • 66

    Mostly Cloudy

    • 57
    • 71

    Mostly Cloudy

    • 60
    • 75

    Mostly Cloudy

Today 23 Sep Knox

Mostly cloudy this Morning, then becoming partly sunny. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 23 Sep Knox

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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Knoxville Temperature Statistics

September Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 14 September, 2026

    52.3 °F

  • Average September

    72.7 °F

  • Highest 3 September, 2026

    93.6 °F

Climate (2021–2026)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.5 °F
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